English verb conjugation
COULD PLEDGE

Regular verb: pledge - pledged - pledged

Affirmation

Simple form	V-ing form
I could pledge you could pledge he could pledge we could pledge you could pledge they could pledge	I could be pledging you could be pledging he could be pledging we could be pledging you could be pledging they could be pledging
Perfect	V-ing perfect
I could have pledged you could have pledged he could have pledged we could have pledged you could have pledged they could have pledged	I could have been pledging you could have been pledging he could have been pledging we could have been pledging you could have been pledging they could have been pledging

Negation

Simple form	V-ing form
I could not pledge you could not pledge he could not pledge we could not pledge you could not pledge they could not pledge	I could not be pledging you could not be pledging he could not be pledging we could not be pledging you could not be pledging they could not be pledging
Perfect	V-ing perfect
I could not have pledged you could not have pledged he could not have pledged we could not have pledged you could not have pledged they could not have pledged	I could not have been pledging you could not have been pledging he could not have been pledging we could not have been pledging you could not have been pledging they could not have been pledging

Interrogative form

Simple form	V-ing form
could I pledge? could you pledge? could he pledge? could we pledge? could you pledge? could they pledge?	could I be pledging? could you be pledging? could he be pledging? could we be pledging? could you be pledging? could they be pledging?
Perfect	V-ing perfect
could I have pledged? could you have pledged? could he have pledged? could we have pledged? could you have pledged? could they have pledged?	could I have been pledging? could you have been pledging? could he have been pledging? could we have been pledging? could you have been pledging? could they have been pledging?

Interro-negative form

Simple form	V-ing form
could I not pledge? could you not pledge? could he not pledge? could we not pledge? could you not pledge? could they not pledge?	could I not be pledging? could you not be pledging? could he not be pledging? could we not be pledging? could you not be pledging? could they not be pledging?
Perfect	V-ing perfect
could I not have pledged? could you not have pledged? could he not have pledged? could we not have pledged? could you not have pledged? could they not have pledged?	could I not have been pledging? could you not have been pledging? could he not have been pledging? could we not have been pledging? could you not have been pledging? could they not have been pledging?